CVE-2018-7789

An Improper Check for Unusual or Exceptional Conditions vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to remotely reboot Modicon M221 using crafted programing protocol frames.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.securityfocus.com/bid/105171	Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02	Mitigation Third Party Advisory US Government Resource
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-08-29 20:29

Updated : 2022-02-03 14:31

NVD link : CVE-2018-7789

Mitre link : CVE-2018-7789

CVE.ORG link : CVE-2018-7789

JSON object : View

Products Affected

schneider-electric

modicon_m221_firmware
modicon_m221

CWE

CWE-754

Improper Check for Unusual or Exceptional Conditions

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